100664612 has 12 divisors (see below), whose sum is σ = 176405376. Its totient is φ = 50263080.

The previous prime is 100664611. The next prime is 100664617. The reversal of 100664612 is 216466001.

It is a happy number.

It is a super-2 number, since 2×100664612² = 20266728218221088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100664611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13964 + ... + 19907.

It is an arithmetic number, because the mean of its divisors is an integer number (14700448).

Almost surely, 2^100664612 is an apocalyptic number.

It is an amenable number.

100664612 is a deficient number, since it is larger than the sum of its proper divisors (75740764).

100664612 is a wasteful number, since it uses less digits than its factorization.

100664612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34618 (or 34616 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 100664612 is about 10033.1755690808. The cubic root of 100664612 is about 465.1848989123.

The spelling of 100664612 in words is "one hundred million, six hundred sixty-four thousand, six hundred twelve".